Sleeve case for electronic device



FIG. 1 is a front view of a sleeve case for electronic device showing our new design.

FIG. 2 is a back view thereof.

FIG. 3 is an upper-side view thereof.

FIG. 4 is a lower-side view thereof.

FIG. 5 is a left-side view thereof. A right-side view thereof is a mirror image of FIG. 5; and,

FIG. 6 is a front perspective view thereof.

The broken lines depict environment and form no part of the claimed design. 

CLAIM The ornamental design for a sleeve case for electronic device, as shown and described. 